Self contained toothbrush



FIG. 1 is a top, right side, and rear end perspective view of a self contained toothbrush showing my new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a front end elevation view thereof. 

The ornamental design for a self contained toothbrush, as shown and described. 